body {
  background: #eef0f4 !important;
}
.play {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: calc(84*(clamp(1200px, 100vw, 3840px) / var(--ideal-viewport-width)));
  height: calc(84*(clamp(1200px, 100vw, 3840px) / var(--ideal-viewport-width)));
}
.play img {
  width: calc(84*(clamp(1200px, 100vw, 3840px) / var(--ideal-viewport-width)));
  height: calc(84*(clamp(1200px, 100vw, 3840px) / var(--ideal-viewport-width)));
}
.videolist {
  width: calc(1492*(clamp(1200px, 100vw, 3840px) / var(--ideal-viewport-width)));
  background: #fff;
  margin: 0 auto;
  padding: 0 calc(30*(clamp(1200px, 100vw, 3840px) / var(--ideal-viewport-width)));
  padding-top: calc(30*(clamp(1200px, 100vw, 3840px) / var(--ideal-viewport-width)));
  margin-top: calc(20*(clamp(1200px, 100vw, 3840px) / var(--ideal-viewport-width)));
  padding-bottom: calc(53*(clamp(1200px, 100vw, 3840px) / var(--ideal-viewport-width)));
  margin-bottom: calc(50*(clamp(1200px, 100vw, 3840px) / var(--ideal-viewport-width)));
}
.videolist ul {
  display: flex;
  flex-wrap: wrap;
}
.videolist ul li {
  width: calc(457*(clamp(1200px, 100vw, 3840px) / var(--ideal-viewport-width)));
  background: #ffffff;
  border: 1px solid #e5e5e5;
  margin-right: 57px;
  margin-bottom: 26px;
}
.videolist ul li:nth-child(3n) {
  margin-right: 0;
}
.videolist ul li a {
  display: block;
  width: calc(457*(clamp(1200px, 100vw, 3840px) / var(--ideal-viewport-width)));
  position: relative;
}
.videolist ul li a:hover .img_tip img {
  transform: scale(1.1);
  transition: all 0.3s ease-in-out;
}
.videolist ul li a .img_tip {
  width: calc(424*(clamp(1200px, 100vw, 3840px) / var(--ideal-viewport-width)));
  height: calc(329*(clamp(1200px, 100vw, 3840px) / var(--ideal-viewport-width)));
  margin: 0 auto;
  margin-top: 18px;
  overflow: hidden;
  position: relative;
}
.videolist ul li a .img_tip .plarem {
  width: calc(424*(clamp(1200px, 100vw, 3840px) / var(--ideal-viewport-width)));
  height: calc(329*(clamp(1200px, 100vw, 3840px) / var(--ideal-viewport-width)));
  background: rgba(0, 0, 0, 0.5);
  position: absolute;
  top: 0;
  left: 0;
}
.videolist ul li a .img_tip img {
  transition: all 0.3s ease-in-out;
  width: calc(424*(clamp(1200px, 100vw, 3840px) / var(--ideal-viewport-width)));
  height: calc(329*(clamp(1200px, 100vw, 3840px) / var(--ideal-viewport-width)));
}
.videolist ul li a .tex_t {
  width: calc(424*(clamp(1200px, 100vw, 3840px) / var(--ideal-viewport-width)));
  margin: 0 auto;
  font-size: calc(18*(clamp(1200px, 100vw, 3840px) / var(--ideal-viewport-width)));
  color: #3d3d3d;
  padding: 15px 0;
}
.p_page {
  text-align: center;
  margin-top: 4vw;
}
.page_con {
  display: flex;
  align-items: center;
  justify-content: center;
}
.page_a {
  width: calc(50*(clamp(1200px, 100vw, 3840px) / var(--ideal-viewport-width)));
  height: calc(50*(clamp(1200px, 100vw, 3840px) / var(--ideal-viewport-width)));
  border-radius: 50%;
  line-height: calc(50*(clamp(1200px, 100vw, 3840px) / var(--ideal-viewport-width)));
  background: #fff;
  border: 1px solid #e5e5e5;
  color: #c9c8c8;
  margin: 0 4px;
  transition: all 0.5s;
  -webkit-transition: all 0.5s;
  -moz-transition: all 0.5s;
  -ms-transition: all 0.5s;
  display: block;
}
.page_a:hover {
  background: #0b419a;
  color: #fff;
  border: 1px solid #0b419a;
}
.page_a.disabled {
  border-radius: 50%;
  background: #fff;
}
.page_a.current {
  background: #0b419a;
  border: 1px solid #0b419a;
  border-radius: 50%;
  color: #fff;
}
.page_input:hover {
  border-color: #ebebeb;
}
.page_a.disabled:hover {
  background-color: #f4f4f5;
  color: #c0c4cc;
  border-color: #f4f4f5;
}
.page_input {
  background-color: rgba(255, 255, 255, 0);
  font-size: calc(14*(clamp(1200px, 100vw, 3840px) / var(--ideal-viewport-width)));
  color: #606266;
  border-style: solid;
  border-width: 1px;
  border-color: #ebebeb;
  border-top-left-radius: 2px;
  border-top-right-radius: 2px;
  border-bottom-left-radius: 2px;
  border-bottom-right-radius: 2px;
}
.page_input:hover {
  background-color: rgba(255, 255, 255, 0);
  color: #606266;
  border-color: #409eff;
}
/* 视频 */
.video-pop {
  width: 100%;
  height: 100%;
  position: fixed;
  left: 0;
  top: 0;
  right: 0;
  bottom: 0;
  z-index: 999;
  visibility: hidden;
  opacity: 0;
  transition: all 0.5s;
}
.video-pop.show {
  visibility: visible;
  opacity: 1;
}
.video-pop .pop-bg {
  width: 100%;
  height: 100%;
  position: fixed;
  left: 0;
  top: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.8);
}
.video-pop .pop-box {
  width: 1020px;
  height: 575px;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  -webkit-transform: translate(-50%, -50%);
  -ms-transform: translate(-50%, -50%);
  -o-transform: translate(-50%, -50%);
  -moz-transform: translate(-50%, -50%);
  background: #000;
  box-sizing: border-box;
}
.video-pop .pop-box .video {
  width: 100%;
  height: 100%;
  outline: none;
}
.video-pop .close {
  width: 30px;
  height: 30px;
  position: absolute;
  top: -40px;
  right: 0;
  background: url(../image/close_01.png) no-repeat;
  -webkit-transition: all 0.3s ease;
  -moz-transition: all 0.3s ease;
  -ms-transition: all 0.3s ease;
  transition: all 0.3s ease;
}
.video-pop .close:hover {
  -webkit-transform: rotate(180deg);
  -moz-transform: rotate(180deg);
  -ms-transform: rotate(180deg);
  transform: rotate(180deg);
}

.nav_img{
  width: 100%;
}
.nav_img img{
  width: 100%;
}